201218930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2239}}^1$

素因数の和:2319

約数の個数: 64

約数和(自身を含む): 425779200

約数和(自身を除く): 224560270

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 43, 55, 86, 95, 110, 190, 209, 215, 418, 430, 473, 817, 946, 1045, 1634, 2090, 2239, 2365, 4085, 4478, 4730, 8170, 8987, 11195, 17974, 22390, 24629, 42541, 44935, 49258, 85082, 89870, 96277, 123145, 192554, 212705, 246290, 425410, 467951, 481385, 935902, 962770, 1059047, 1829263, 2118094, 2339755, 3658526, 4679510, 5295235, 9146315, 10590470, 18292630, 20121893, 40243786, 100609465, 201218930]

約数ペア:

[(1, 201218930), (2, 100609465), (5, 40243786), (10, 20121893), (11, 18292630), (19, 10590470), (22, 9146315), (38, 5295235), (43, 4679510), (55, 3658526), (86, 2339755), (95, 2118094), (110, 1829263), (190, 1059047), (209, 962770), (215, 935902), (418, 481385), (430, 467951), (473, 425410), (817, 246290), (946, 212705), (1045, 192554), (1634, 123145), (2090, 96277), (2239, 89870), (2365, 85082), (4085, 49258), (4478, 44935), (4730, 42541), (8170, 24629), (8987, 22390), (11195, 17974)]